Mathematics, 20.11.2021 21:00, Shybaby7334

Let X be the charge for an oil change, and let the tax on X be 7% so that the actual charge is 1.07X. Let Y be the number of containers of oil that are needed, and $2 the price per container. Then 2Y is the price of the oil itself. The Cov(X, Y) is 5.6. What is the the Cov(1.07X, 2Y)

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Let X be the charge for an oil change, and let the tax on X be 7% so that the actual charge is 1.07X...